[Elecraft] K-1 Sensitivity

Thu Mar 14 11:27:00 2002

On 3/10/02 7:39 AM, James R. Duffey at [email protected] wrote:

>On 40 M as an example, the lowest amospheric noise one can expect is about
>0.22 microvolts at the antenna in a 300 kHz bandwidth. This would correspond
>to a very quiet rural location with no manmade noise present during a time
>of no solar or geomagnetic disturbances. Not th e typical site for most of
>us. A typical urban location is about 1 microvolt under the same conditions,
>but with man made noise is usually much worse. These numbers are roughly
>halved at 20 M.

What happens to this discussion if we consider using narrowband (eg 
High-Q) antennas?

Bill Coleman, AA4LR, PP-ASEL        Mail: [email protected]
Quote: "Not within a thousand years will man ever fly!"
            -- Wilbur Wright, 1901